For decades, paleontologists have held up uintatheres as a prime illustration of sexual dimorphism, or the tendency for males ...

Difference in body size (or sexual dimorphism) between males and females is common across the animal kingdom. One of the most extreme examples of sexual dimorphism is found in the cichlid fish species ...

Sexual dimorphism is the occurrence whereby the two sexes of a given species appear outwardly different in some way(s) from each other. The most extreme example of sexual dimorphism exhibited by any ...

In most animal species, males and females differ. This is true for people and other mammals, as well as many species of birds, fish and reptiles. But what about dinosaurs? In 2015, I proposed that ...

Bee researchers at Heinrich Heine University Düsseldorf (HHU) headed by Professor Dr. Martin Beye have identified a new gene in honeybees, which is responsible for the dimorphic eye differentiation ...

One of the challenges that birders, naturalists, and animal enthusiast face is identifying species. It can be difficult to do in the wild, especially if the species is sexually dimorphic. Sexual ...